Nearly 600 signatories, including four Nobel Prize winners, urge openness about animal experiments.

A pilot program announced last month will consider combining announced and surprise inspections.

Scientists and others have been opening their homes to research animals after the studies conclude, with legislation in some states now mandating adoption.

Transparency about the role of animals in drug development could help raise awareness of and appreciation for preclinical research.

The BMJ inquiry finds that researchers presented only select results from animal experiments when applying for funding and approval for human trials.

Experiments involving animals dropped by more than 200,000, or 5 percent, in 2016.

A new initiative in Germany aims to increase the public’s comfort with animal-based science; US government holds workshop on nonhuman primate research.

Increasingly sophisticated tissue organoids can model many aspects of disease, but animal studies retain a fundamental role in research, scientists say. 

Infusing anti-HIV antibodies provides macaques with protection against infection for up to six months, according to a study.